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  • Open Access English
    Authors: 
    Maxim Tarnawsky;
    Publisher: National University of Kyiv-Mohyla Academy

    Traditional and modernist comments on the mechanics of Nechui’s prose style are largely critical, focusing on what are assumed to be errors or infelicities in writing. This article examines these presumed errors and proceeds to focus on three central quali­ties of Nechu...

  • Open Access Ukrainian
    Authors: 
    Kozachok, Oleksandra;
    Publisher: National University of Kyiv-Mohyla Academy

    Randomization and probabilistic approach in the algorithms development occupy prominent place.Due to limited computing resources and complexity many tasks in some cases it’s impossible to obtain accurate results or it’s too costly, so the results may contain some uncert...

  • Open Access Ukrainian
    Authors: 
    Oliynyk, Andriy; Oliynyk, Bogdana;
    Publisher: National University of Kyiv-Mohyla Academy

    The paper is dedicated to the memory of an outstanding ukrainian mathematician and teacher, one of the founders of Kyiv school of representation theory and ring theory, professor of Taras Shevchenko National University of Kyiv Volodymyr Vasylovych Kyrychenko. Volodymyr ...

  • Open Access Ukrainian
    Authors: 
    Lemeshko, Elizabeth;
    Publisher: National University of Kyiv-Mohyla Academy

    Nowadays, science is characterized by needs of the study of various complex processes and phenomena’s. Today’s research of complex and dynamical systems is one of the most advanced ways of research and evolution of the modern world. Models of biology and ecology, physic...

  • Open Access Ukrainian
    Authors: 
    Mytnyk, Yuriy; Kashpirovski, Oleksii; Oliynyk, Bogdana;
    Publisher: National University of Kyiv-Mohyla Academy

    The article is devoted to the 150th anniversary of the birth of outstanding Ukrainian mathematician Georgy Feodosiyovych Voronoi who has woldwide recognition. Georgy Voronoi was born on April 28, 1868 in the small town of Zhuravka near Chernihiv. Georgy Voronoi first fo...

  • Open Access Ukrainian
    Authors: 
    Olshevska, Vita;
    Publisher: National University of Kyiv-Mohyla Academy

    The Sylow 2-subgroups of symmetric groups was described by Leo Kaluzhnin. He presented the elements of these groups as a tables, i.e. the ordered sets of polynomials of a certain form. The Sylow 2-subgroups of symmetric groups was studied by V. Sushchanskii, Yu. Dmytruk...

  • Open Access Ukrainian
    Authors: 
    Zhuk, Tetyana;
    Publisher: National University of Kyiv-Mohyla Academy

    Insurance provides financial security and protection of the independence of the insured person. Its principles are quite simple: insurance protects investments, life and property. You regularly pay a certain amount of money in exchange for a guarantee that in case of un...

  • Open Access English
    Authors: 
    Petravchuk, Anatoliy; Sysak, Kateryna;
    Publisher: National University of Kyiv-Mohyla Academy

    Let K be a field of characteristic zero, A = K[x1, . . . , xn] the polynomial ring and R = K(x1, . . . , xn) the field of rational functions in n variables over K. The Lie algebra Wn(K) of all K-derivations on A is of great interest since its elements may be considered ...

  • Open Access Ukrainian
    Authors: 
    Florenko, Anastasiia; Shchestyuk, Nataliia; Zaets, Nastasiia;
    Publisher: National University of Kyiv-Mohyla Academy

    Forecasting of static processes and estimation of random fields of a different nature is becoming more widespread among scientists of different specialties, and a new branch of science appears with its specific methodology. That problems of estimation of the unknown val...

  • Publication . Article . 2018
    Open Access Ukrainian
    Authors: 
    Iryna Iu. Raievska; Maryna Iu. Raievska;
    Publisher: National University of Kyiv-Mohyla Academy

    Nearrings arise naturally in the study of systems of nonlinear mappings, and they have been studied for many decades. Basic definitions and many results concerning nearrings can be, for instance, found in [G. Pilz. Near-rings. The theory and its applications. North Holl...